My guess would be "B) they were produced by volcanoes" because hawaii has a bunch of volcanoes and volcanoes can produce extra land. While the other answers wouldn't make sense. Definitely B.
The correct answer is B.LONGITUDINAL WAVES.
The products of chemical reactions often have completely different properties than the reactants, like viscosity, boiling and melting temperatures, etc.
That is because the atoms form new and different bonds to give the products.
